Sports Reference Blog
Year-by-Year Opening Day Rosters – Baseball-Reference.com
Posted by sean on April 5, 2012
2011 Major League Baseball Opening Day Rosters - Baseball-Reference.com.
Linked is 2011, but if you change the year this is now available for every year back to 1918. It is linked from the main league-year pages under the Other tab.
This goes along with our Team Opening Day Histories.
Why does the link to opening day rosters take you to a list of opening day starting lineups?